Visual Inspection; Checking The Engine Suspension - Rotax MML-912 Maintenance Manual

3) Visual inspection

General visual inspection of the engine for damage or abnormalities. For
General note
definition and scope of visual inspection (See chap. 05-20-00 section: 3).
Take note of changes caused by temperature influence.
Abnormalities
During a visual inspection you should focus on the following points in par-
ticular:
- Exhaust system
- Engine suspension frame
- Heat shrink sleeve
- Pressure sensor, temperature sensor
- Heat protection plates
- Wiring harness
- Venting hoses (carburetor, oil tank)
3.1)

Checking the engine suspension

General note
Checking the en-
gine suspension
1
2
3
Effectivity: 912 Series
Edition 2 / Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Exactly observe the tightening torques for screws and
NOTICE
WARNUNG
nuts. Overtightening or too loose connection could
cause serious engine damage.
Step
Verify the engine suspension points on the crankcase for tight fit and dam-
age including cracks.
Inspect the surroundings of engine attachment on crankcase and gearbox.
If there is discoloration of the crankcase around the attachment points
(black ring), there may be loose attachments.
Inspect engine isolating mounts including for heat damage, wear and
cracks.
Procedure
12-20-00
page 9
October 01/2009